Page 359 - Contactors_Catalogue

ABB MOTOR CONTROL AND PROTECTION FOR ROLLING STOCK APPLICATIONS 6/5

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TF42-B thermal overload relays – 0.10 to 38.0 A

Technical data

Main circuit – Utilization characteristics according to UL/CSA
Type TF42-B
Standards UL 508, CSA 22.2 No. 14
Maximum operational voltage 600 V AC
Trip rating 125 % of FLA
Full load amps (FLA) See table "Full load amps and short-circuit protective device"
Short-circuit rating RMS symmetrical See table "Full load amps and short-circuit protective device"
Short-circuit protective device See table "Full load amps and short-circuit protective device"
Auxiliary circuit according to UL/CSA
Type TF42-B
Contact rating N.C., 95-96 B600, Q300
N.O., 97-98 D300, Q300
Conventional thermal current N.C., 95-96 5 A
N.O., 97-98 2.5 A

Full load amps and short-circuit protective device
Type Full load amps (FLA) Short-circuit protective device
480 / 600 V AC 480 / 600 V AC
Short-circuit rating RMS Fuse type Short-circuit rating RMS Fuse type
symmetrical symmetrical
TF42-0.13B 0.13 A 18 kA 1 A, K5 100 kA 30 A, Class J
TF42-0.17B 0.17 A 18 kA 1 A, K5 100 kA 30 A, Class J
TF42-0.23B 0.23 A 18 kA 1 A, K5 100 kA 30 A, Class J
TF42-0.31B 0.31 A 18 kA 3 A, K5 100 kA 30 A, Class J
TF42-0.41B 0.41 A 18 kA 3 A, K5 100 kA 30 A, Class J
TF42-0.55B 0.55 A 18 kA 3 A, K5 100 kA 30 A, Class J
TF42-0.74B 0.74 A 18 kA 3 A, K5 100 kA 30 A, Class J
TF42-1.0B 1.00 A 18 kA 6 A, K5 100 kA 30 A, Class J
TF42-1.3B 1.30 A 18 kA 6 A, K5 100 kA 30 A, Class J
TF42-1.7B 1.70 A 18 kA 6 A, K5 100 kA 30 A, Class J
TF42-2.3B 2.30 A 18 kA 10 A, K5 100 kA 30 A, Class J 06
TF42-3.1B 3.10 A 18 kA 10 A, K5 100 kA 30 A, Class J
TF42-4.2B 4.20 A 18 kA 15 A, K5 100 kA 30 A, Class J
TF42-5.7B 5.70 A 18 kA 20 A, K5 100 kA 30 A, Class J
TF42-7.6B 7.60 A 18 kA 25 A, K5 100 kA 30 A, Class J
TF42-10B 10.0 A 18 kA 35 A, K5 100 kA 45 A, Class J
TF42-13B 13.0 A 18 kA 40 A, K5 100 kA 45 A, Class J
TF42-16B 16.0 A 18 kA 60 A, K5 100 kA 45 A, Class J
TF42-20B 20.0 A 18 kA 80 A, K5 100 kA 60 A, Class J
TF42-24B 24.0 A 18 kA 80 A, K5 100 kA 60 A, Class J
TF42-29B 29.0 A 18 kA 100 A, K5 100 kA 100 A, Class J
TF42-35B 35.0 A 18 kA 150 A, K5 100 kA 175 A, Class J
TF42-38B 38.0 A 18 kA 150 A, K5 100 kA 175 A, Class J

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